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Question

# Consider the following statements and choose the correct option. 1. Magnetic field lines form closed loops. 2. No two field lines intersect

A

Only 1 is true

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B

Only 2 is true

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C

Both 1 and 2 are true

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D

Both 1 and 2 are false

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Solution

## The correct option is C Both 1 and 2 are true A magnetic field line goes from the north pole to the south pole outside a magnet. The same line goes from the south pole to the north pole inside the magnet, completing one loop. Hence, we say that magnetic field lines form closed loops. Also, as we see, no two magnetic field lines intersect. Two magnetic field lines do not intersect. If they do intersect, it means that there are two possible directions for the magnetic field at the point of intersection of the field lines, which is not possible for an isolated bar magnet.

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